2b was about north american regions. The atlantic coastal plain is along the atlantic ocean and gulf of mexico. The broad lowland providing many excellent harbors. The appalachian mountains located west of the coastal plain. It exstends from canada to alabama.It is the oldest mountain range in north america (eroded). The canadian shield is around the hudson bay. The hills here are worn by erosion. Hundreds of lakes carved by glaciers. It is the oldest rock formation.The great plains is east of the rocky mountains. Its flatland that gets higher in the west. There are also grasslands(bread basket). Interior lowlands is west of the appalachian mountains and east of the great plains. There are flatlands,rivers,river valleys, and grassy hills. The rocky mountains are west of the great plains. they are rugged mountains that strech from alaska to mexico. They have the continental divide (flow of rivers). The tallest mountain range.The basin and range is west of the rocky mountains and east of the sierra nevadas and cascades. they are isolated mountain ranges and has the death valley, the lowest point. lastly we have the coastal range. they are rugged mountains on the pacific coast. they strech from california to canada and has fertile valleys.
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